30788169084 has 36 divisors (see below), whose sum is σ = 77864686536. Its totient is φ = 10257575328.

The previous prime is 30788169067. The next prime is 30788169121. The reversal of 30788169084 is 48096188703.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×30788169084² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30788169084.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141379 + ... + 285594.

Almost surely, 2^30788169084 is an apocalyptic number.

It is an amenable number.

30788169084 is an abundant number, since it is smaller than the sum of its proper divisors (47076517452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30788169084 is a wasteful number, since it uses less digits than its factorization.

30788169084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428986 (or 428981 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 30788169084 in words is "thirty billion, seven hundred eighty-eight million, one hundred sixty-nine thousand, eighty-four".